Adjustable channel steel formwork support

The utility model discloses an adjustable channel steel formwork support. The device is composed of a supporting frame and an adjusting device, and the supporting frame is a right triangle steel frame and used for hanging and supporting the adjusting device; the adjusting device is composed of a lifting mechanism and a U-shaped clamp and used for hanging and fixing the channel steel formwork for concrete pouring. Wherein the U-shaped clamp is supported and lifted by the lifting mechanism suspended on the support frame, the U-shaped clamp is a U-shaped groove with an opening on one side, the opening is used for embedding an upper wing plate of the channel steel template for fixation, and the center of the upper edge is connected with the lifting mechanism to realize lifting; a screw hole is formed in the center of the lower side, and a clamping screw penetrates through the screw hole and is used for clamping and fixing the channel steel template embedded into the opening of the U-shaped clamp by rotating and l